Results on a Pre-T_2 Space and Pre-Stability. Baghdad Science Journal, Iraq, Baghdad, v. 16, n. 1, p. 0111, 2019. DOI: 10.21123/bsj.2019.16.1.0111. Disponível em: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/3177.. Acesso em: 18 jun. 2025.